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Adularia
Adularia

Spodumene
Spodumene



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Spodumene

Adularia and Spodumene Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Strong in kunzite: α-purple
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentArthur Thomas, Gemstones (2009)
Transparent
1.5 Refractive Index
1.518-1.5361.657-1.681
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
monoclinic
1.8 Birefringence
0.005-0.0080.014-0.018
Achroite
0 0.296
1.9 Clarity
TransparentArthur Thomas
Gems

Adularia and Spodumene Optic Character

Adularia and Spodumene optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Adularia and Spodumene Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Adularia and Spodumene optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

Adularia and Spodumene Transparency

Similar to their colors, Adularia and Spodumene transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Adularia is Gemstones (2009) and TransparentArthur Thomas while Adularia is Gemstones (2009) and TransparentArthur Thomas in appearance.